152664 (1998 FW4)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.7139855060 ± 2.00e+00
Semi-major axis (a)2.5201663589 AU ± 3.00e+00
Inclination (i)3.41335582° ± 4.00e+00
Long. of Asc. Node (Ω)353.53418508° ± 5.00e+00
Arg. of Perihelion (ω)85.60702097° ± 6.00e+00
Mean Anomaly (M)2.25437777° ± 1.26e-07
Mean Motion (n)0.2463590162°/day ± 4.40e-01
Perihelion dist (q)0.72080411 AU ± 5.11e+00
Aphelion dist (Q)4.31952861 AU ± 7.20e+00
Orbital Period4.00077212 yr ± 7.14e+00
NGA Modelr2
A21.90267885e-06 AU/d²
Physical Parameters
H (abs. magnitude)19.70
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-26
RMS Residual0.198″
Uncertainty0
Orbit TypeApollo
MOID3.305540 AU
Observations Used841
Oppositions23
Arc Total1994-2025
First Observation Used1994-03-09
Last Observation Used2025-10-01
Observations (956)
Date Type RA Dec Mag Band Observatory
2013-09-02 07:48:20 C 00 24 23.44 -01 12 11.6 r Y00
2013-09-02 07:55:05 C 00 24 23.94 -01 12 07.8 r Y00
2013-09-02 08:00:17 C 00 24 24.27 -01 12 04.1 r Y00
2013-09-05 07:15:04 C 00 30 13.31 -00 22 25.3 q 703
2013-09-05 07:22:16 C 00 30 13.89 -00 22 19.5 q 703
2013-09-05 07:29:28 C 00 30 14.48 -00 22 14.3 q 703
2013-09-05 07:36:40 C 00 30 15.07 -00 22 08.1 q 703
2013-09-06 02:04:21 C 00 31 57.25 -00 06 56.8 o 046
2013-09-06 02:06:38 C 00 31 57.49 -00 06 54.8 o 046
2013-09-06 02:08:24 C 00 31 57.67 -00 06 53.2 o 046
2013-09-06 02:13:35 C 00 31 58.14 -00 06 48.7 o 046
2013-09-06 08:08:38 C 00 32 33.94 -00 01 30.4 q 703
2013-09-06 08:19:07 C 00 32 34.90 -00 01 20.6 q 703
2013-09-06 08:29:46 C 00 32 35.84 -00 01 12.5 q 703
2013-09-07 00:43:37 C 00 34 14.69 +00 13 31.0 o 046
2013-09-07 00:49:22 C 00 34 15.31 +00 13 36.2 o 046
2013-09-07 00:50:55 C 00 34 15.46 +00 13 37.8 o 046
2013-09-07 00:54:05 C 00 34 15.77 +00 13 40.4 o 046
2013-09-07 22:23:01 C 00 36 38.37 +00 35 01.6 o 046
2013-09-07 22:24:18 C 00 36 38.48 +00 35 03.1 o 046
2013-09-07 22:25:34 C 00 36 38.63 +00 35 04.3 o 046
2013-09-07 22:28:10 C 00 36 38.89 +00 35 06.9 o 046
2013-09-08 01:41:45 C 00 37 02.60 +00 39 24.3 q W85
2013-09-08 01:49:59 C 00 37 03.54 +00 39 33.2 q W85
2013-09-08 01:56:58 C 00 37 04.31 +00 39 40.3 q W85
2013-09-08 02:03:57 C 00 37 05.10 +00 39 48.0 q W85
2013-09-08 02:10:57 C 00 37 05.88 +00 39 55.4 q W85
2013-09-08 02:17:56 C 00 37 06.65 +00 40 02.7 q W85
2013-09-08 02:24:56 C 00 37 07.42 +00 40 10.2 q W85
2013-09-08 02:31:55 C 00 37 08.19 +00 40 17.5 q W85
2013-09-08 02:38:54 C 00 37 08.97 +00 40 25.0 q W85
2013-09-08 02:45:53 C 00 37 09.73 +00 40 32.5 q W85
2013-09-08 02:52:52 C 00 37 10.50 +00 40 40.0 q W85
2013-09-08 02:59:51 C 00 37 11.27 +00 40 47.4 q W85
2013-09-08 03:06:50 C 00 37 12.02 +00 40 54.9 q W85
2013-09-08 03:13:49 C 00 37 12.79 +00 41 02.4 q W85
2013-09-08 03:20:48 C 00 37 13.55 +00 41 09.7 q W85
2013-09-08 03:27:47 C 00 37 14.31 +00 41 17.3 q W85
2013-09-08 05:38:13 C 00 37 29.99 +00 42 51.4 N I41
2013-09-08 06:31:35 C 00 37 35.93 +00 43 49.1 N I41
2013-09-08 07:23:28 C 00 37 41.63 +00 44 45.5 N I41
2013-09-09 07:39:44 C 00 40 41.13 +01 13 24.0 r Y00
2013-09-09 07:42:35 C 00 40 41.47 +01 13 27.6 r Y00
2013-09-09 07:45:26 C 00 40 41.82 +01 13 31.1 r Y00
2013-09-09 10:53:02 C 00 41 09.871 +01 16 49.28 L F51
2013-09-09 11:15:47 C 00 41 12.648 +01 17 17.59 L F51
2013-09-09 11:36:58 C 00 41 15.224 +01 17 43.96 L F51
2013-09-09 11:58:11 C 00 41 17.826 +01 18 10.30 L F51
2013-09-09 22:30:32 C 00 42 46.96 +01 31 23.0 q C77
2013-09-09 22:32:04 C 00 42 47.16 +01 31 24.7 q C77
Radar Observations (18)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2009-09-26 01:40:00 910321.677 0.5 Hz 8560 -14 -14
2009-09-26 02:10:00 44182242.19 10 us 8560 -14 -14
2009-09-26 03:10:00 43802150.6 1 us 8560 -14 -14
2009-09-27 03:20:00 806842.646 0.5 Hz 8560 -14 -14
2009-09-27 04:00:00 34950466.93 2 us 8560 -14 -14
2009-09-28 04:40:00 27537725.2 0.5 us 8560 -14 -14
2009-09-30 19:30:00 24549433.17 1 us 2380 -1 -1
2009-10-01 18:20:00 30182452.629 2 us 2380 -1 -1
2013-09-22 05:40:00 641166.896 0.5 Hz 8560 -14 -14
2013-09-22 06:10:00 53372699.47 3 us 8560 -14 -14
2013-09-22 06:40:00 632332.349 0.5 Hz 8560 -14 -14
2013-09-22 06:44:00 53203613.81 0.5 us 2380 -1 -1
2013-09-22 06:44:00 172287.5991 0.075 Hz 2380 -1 -1
2013-09-22 07:10:00 627441.956 0.4 Hz 8560 -14 -14
2013-09-23 08:20:00 404327.022 0.3 Hz 8560 -14 -14
2013-09-23 08:40:00 47691363.58 2 us 8560 -14 -14
2013-09-24 07:20:00 45199563.5 1.5 us 8560 -14 -14
2013-09-26 10:30:00 48835641.89 3 us 8560 -14 -14
Station codes
-14 DSS-14 Goldstone (70-m) -1 Arecibo (305-m, 1963–2020)